Home / 30,360.54-45,537.68-8,173.02

Finding the Fourth Proportional to 30,360.54, 45,537.68 and 8,173.02

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Solution

The fourth proportional to 30,360.54, 45,537.68 and 8,173.02 is: 12,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.54 : 45,537.68 = 8,173.02 : x
  2. Step 2: Convert to fraction form
    30,360.54/45,537.68 = 8,173.02/x
  3. Step 3: Cross multiply
    30,360.54x = 45,537.68 × 8,173.02
  4. Step 4: Simplify right side
    30,360.54x = 372,180,369.39
  5. Step 5: Solve for x
    x = 372,180,369.39/30,360.54
  6. Step 6: Final answer
    x = 12,258.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.